CN216146601U - Virtual synchronous machine simulation device of new energy power station and new energy power station - Google Patents
Virtual synchronous machine simulation device of new energy power station and new energy power station Download PDFInfo
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- CN216146601U CN216146601U CN202120649313.5U CN202120649313U CN216146601U CN 216146601 U CN216146601 U CN 216146601U CN 202120649313 U CN202120649313 U CN 202120649313U CN 216146601 U CN216146601 U CN 216146601U
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- 238000004088 simulation Methods 0.000 title claims abstract description 63
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 238000010521 absorption reaction Methods 0.000 claims abstract description 31
- 239000000110 cooling liquid Substances 0.000 claims abstract description 22
- 230000017525 heat dissipation Effects 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 239000002826 coolant Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 101100408352 Drosophila melanogaster Plc21C gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model provides a virtual synchronous machine simulation device of a new energy power station, which comprises a simulation case, a control panel arranged on the side wall of the simulation case and a heat dissipation assembly, wherein the heat dissipation assembly comprises an absorption part arranged on the inner wall of the case, a cooling part arranged on the top of the case and connected with the absorption part, and a power part used for driving cooling liquid to circulate along the absorption part and the cooling part; the support leg assembly is arranged at the bottom of the chassis and used for supporting the simulation chassis. The device provided by the utility model absorbs heat generated by the simulation case during working through the heat dissipation assembly, can effectively reduce the working temperature of the simulation case of the synchronous machine, and prevents the internal components from being burnt due to overhigh temperature of the simulation case of the synchronous machine, so that the service life of the simulation case of the synchronous machine is prolonged.
Description
Technical Field
The utility model relates to the technical field of real-time simulation of new energy power stations, in particular to a virtual synchronous machine simulation device for a new energy power station and the new energy power station.
Background
In recent decades, especially in the 21 st century, with the importance of clean energy development and the rapid development of new energy technologies in countries around the world, wind power and solar power generation enter a new stage of large-scale development and utilization. However, the characteristics of fluctuation, intermittence and the like of new energy and the characteristic of no active supporting capability of frequency modulation, voltage regulation and the like bring serious challenges to new energy consumption and safe operation of a power grid. The virtual synchronous generator technology is a technology which enables a power supply adopting a converter to have the grid-connected operation characteristics of inertia, damping, primary frequency modulation, reactive voltage regulation and the like of a synchronous generator set by simulating the electromechanical transient characteristics of the synchronous generator set. The new energy power station with the virtual synchronous machine function can enable new energy to have the external characteristic close to that of a thermal power generating unit, plays a supporting role in the stability of a power system, and is an effective means for solving the problem of 'inherent deficiency' of new energy power generation in the aspect of grid-connected stability.
However, the existing synchronous simulation case generally adopts air cooling heat dissipation in the working process, so that the heat dissipation efficiency is low, the internal temperature of the synchronous simulation case is too high, and internal components are easily burnt. Therefore, it is necessary to design a virtual synchronous machine simulation device of a new energy power station and the new energy power station.
SUMMERY OF THE UTILITY MODEL
The utility model provides a virtual synchronous machine simulation device of a new energy power station and the new energy power station, the device has novel structure and ingenious conception, can effectively reduce the working temperature of a synchronous machine simulation case, prevents the internal components from being burnt due to overhigh temperature of the synchronous machine simulation case, and greatly prolongs the service life of the synchronous machine simulation case.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a virtual synchronous machine simulation device of new energy power station, includes emulation machine case and sets up the control panel at this emulation machine case lateral wall, its characterized in that still includes:
the heat dissipation assembly comprises an absorption part arranged on the inner wall of the case, a cooling part arranged on the top of the case and connected with the absorption part, and a power part used for driving cooling liquid to circulate along the absorption part and the cooling part, and the heat dissipation assembly further comprises a heat exchange part used for exchanging heat with the cooling part.
Preferably, the heat exchanging part includes:
the air outlet box is arranged at the top of the machine box, and two sides of the air outlet box are provided with symmetrical air outlets; and
and the air conditioner is arranged at the top of the air outlet box, and an air pipe communicated with the air outlet box is arranged at the air outlet end of the air conditioner.
Preferably, the cooling part is arranged for setting up the fin formula water-cooling at the air outlet, the absorption portion is the heat exchange tube, power portion is the circulating pump, fin formula water-cooling is arranged one end and is passed through first connecting pipe and link to each other with the heat exchange tube, the circulating pump is arranged in on the first connecting pipe, the one end that the circulating pump was kept away from to the heat exchange tube is connected with the other end that the fin formula water-cooling was arranged through the second connecting pipe.
Preferably, the absorption part is a snakelike heat exchange tube, a silica gel heat conduction layer is arranged at the joint of the absorption part and the components inside the simulation case, and a temperature sensor is installed in the absorption part.
Preferably, the simulation chassis further comprises a leg assembly for supporting the simulation chassis, the leg assembly comprising:
the foot rest is arranged at the corner of the bottom of the simulation case, and a through hole is formed in the center of the bottom of the foot rest;
the positioning block is vertically and fixedly arranged on the side wall of the inner side of the foot rest; and
the telescopic cylinder is fixedly arranged at the bottom of the positioning block, the output end of the telescopic cylinder is vertically arranged downwards, and the output end of the telescopic cylinder is provided with a moving wheel;
the movable wheels can shuttle in the through holes under the driving of the telescopic cylinders, and the simulation case can be moved when the movable wheels are in contact with the ground.
Preferably, the outer side of the moving wheel is provided with an anti-slip sleeve.
Preferably, the inside PLC controller that is equipped with of control panel, temperature sensor links to each other with PLC controller input electrical property, PLC controller output links to each other with air conditioner, telescopic cylinder electrical property.
A new energy power station comprises the virtual synchronous machine simulation device.
According to the technical scheme, the utility model has the following beneficial effects:
1. according to the utility model, the synchronous machine simulation case can generate a large amount of heat in the working process, the power part is arranged to drive the cooling liquid to circularly flow along the absorption part and the cooling part, the cooling liquid in the absorption part can absorb the heat generated in the working process of the synchronous machine simulation case, and when the cooling liquid flows to the cooling part, the heat exchange part is utilized to exchange the heat in the cooling part and discharge the heat out of the case, so that the working temperature of the synchronous machine simulation case is effectively reduced, the phenomenon that internal components are burnt due to overhigh temperature of the synchronous machine simulation case is prevented, and the service life of the synchronous machine simulation case is prolonged.
2. According to the utility model, the temperature of the cooling liquid in the absorption part can be monitored in real time conveniently by the arranged temperature sensor, the collected information is transmitted to the PLC, and when the temperature of the cooling liquid is higher than the preset value of the PLC, the PLC controls the air conditioner to adjust the power, so that the refrigeration performance is improved, and the heat radiation performance is improved.
3. In the utility model, the control panel controls the telescopic cylinder to work to drive the movable wheel to pass through the through hole to be contacted with the ground, so that the synchronous machine simulation case is convenient to move, and when the telescopic cylinder contracts to drive the movable wheel to be positioned above the through hole, the synchronous machine simulation case is convenient to fix.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a heat dissipation assembly according to the present invention;
FIG. 3 is a schematic view of a leg assembly of the present invention;
fig. 4 is a schematic diagram of the connection between the PLC controller and the control panel according to the present invention.
In the figure: 10. the simulation machine box comprises a simulation machine box body, 20, a control panel, 21, a PLC (programmable logic controller), 30, a heat dissipation assembly, 31, an absorption portion, 311, a temperature sensor, 32, a cooling portion, 33, a power portion, 34, a heat exchange portion, 341, an air outlet box, 342, an air outlet, 343, an air conditioner, 344, an air pipe, 35, a first connecting pipe, 36, a second connecting pipe, 40, a support leg assembly, 41, a foot rest, 411, a through hole, 42, a positioning block, 43, a telescopic cylinder, 44 and a moving wheel.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, a virtual synchronous machine simulation apparatus for a new energy power station includes a simulation case 10 and a control panel 20 disposed on a side wall of the simulation case, and further includes:
the heat dissipation assembly 30 comprises an absorption part 31 arranged on the inner wall of the case, a cooling part 32 arranged on the top of the case and connected with the absorption part, and a power part 33 used for driving cooling liquid to circulate along the absorption part and the cooling part, and further comprises a heat exchange part 34 used for exchanging heat with the cooling part; the utility model discloses an in, the coolant liquid circulates along absorption portion 31 and cooling portion 32 under the drive of power portion 33, the heat that the absorption portion produced in with synchronous machine emulation machine case working process absorbs to reduce the operating temperature of synchronous machine emulation machine case, and coolant liquid temperature risees thereupon, when the coolant liquid flows to the cooling portion, heat exchange portion 34 exchanges with the cooling portion, go out the heat exchange of cooling portion, reach the purpose to the cooling liquid cooling, so that the cyclic utilization of coolant liquid, the operating temperature of synchronous machine emulation machine case can effectively be reduced to the utility model, prevent to burn out because of synchronous machine emulation machine case high temperature, and cause inside components and parts, in order to improve the life of synchronous machine emulation machine case.
As a preferred technical solution of the present invention, the heat exchanging portion 34 includes an air outlet box 341 and an air conditioner 343, the air outlet box is disposed at the top of the air outlet box, and two sides of the air outlet box are provided with symmetrical air outlets 342, the air conditioner is disposed at the top of the air outlet box, and an air pipe 344 communicated with the air outlet box is disposed at an air outlet end of the air conditioner, and cold air generated by the air conditioner is delivered into the air outlet box 341 through the air pipe for heat exchange with the cooling liquid in the cooling portion, so as to reduce the temperature of the cooling liquid.
Further, the cooling portion 32 is a fin-type water cooling bar arranged at the air outlet 342, the absorption portion 31 is a heat exchange tube, the power portion 33 is a circulation pump, one end of the fin-type water cooling bar is connected with the heat exchange tube through a first connection tube 35, the circulation pump is arranged on the first connection tube, one end, far away from the circulation pump, of the heat exchange tube is connected with the other end of the fin-type water cooling bar through a second connection tube 36, the circulation pump drives the fin-type water cooling bar to circulate cooling liquid in the heat exchange tube, the cooling liquid in the heat exchange tube can absorb heat generated in the working process of the synchronous machine simulation case, the cooling liquid circulates to the fin-type water cooling bar, and cold air generated by the air conditioner 343 performs heat exchange, so that the working temperature of the synchronous machine simulation case is effectively reduced, the temperature of the synchronous machine case 10 is prevented from being too high, internal components are burned, and the service life of the synchronous machine simulation case is prolonged.
Further, the absorption portion 31 is a snakelike heat exchange tube, the heat conduction performance of the snakelike heat exchange tube is good, the connection position of the absorption portion and the simulation case internal component is provided with a silica gel heat conduction layer, the heat conduction performance of the silica gel heat conduction layer is good, the absorption portion is convenient for absorbing heat in the case internal portion, and the temperature sensor 311 is installed in the absorption portion.
Referring to fig. 3, as a preferred technical solution of the present invention, the present invention further comprises a leg assembly 40 for supporting the simulation chassis, the leg assembly comprises a leg frame 41, a positioning block 42, and a telescopic cylinder 43, the leg frame is disposed at a corner of the bottom of the simulation chassis, and a through hole 411 is formed at the center of the bottom of the leg frame, the positioning block is vertically fixed on the inner side wall of the leg frame, the telescopic cylinder 43 is fixed at the bottom of the positioning block, and an output end of the telescopic cylinder is vertically arranged downward, and a moving wheel 44 is disposed at an output end of the telescopic cylinder, wherein the moving wheel can shuttle in the through hole under the driving of the telescopic cylinder, and the movement of the simulation chassis is realized when the moving wheel contacts with the ground, specifically, the leg frame of the present embodiment can be disposed in an L shape, the positioning block is fixed on the vertical portion of the leg frame, the telescopic cylinder drives the moving wheel to pass through the through hole 411 to contact with the ground when moving downward and extending and retracting, thereby facilitating the movement of the simulation chassis of the synchronous machine, and when the telescopic cylinder contracts to enable the movable wheel to be located right above the through hole, the fixing of the simulation case of the synchronous machine is facilitated.
Further, an anti-slip sleeve is provided on the outer side of the moving wheel 44, thereby improving the anti-slip effect of the moving wheel.
Referring to fig. 4, as a preferred technical solution of the present invention, a PLC controller 21 is disposed inside a control panel 20, a temperature sensor is electrically connected to an input end of the PLC controller, an output end of the PLC controller is electrically connected to an air conditioner 343 and a telescopic cylinder 43, and a temperature sensor 311 is disposed in an absorption portion 31, so as to monitor a temperature of a cooling liquid inside a heat exchange tube in real time and transmit collected information to the PLC controller 21.
The utility model also discloses a new energy power station which comprises the virtual synchronous machine simulation device.
The working principle is as follows: the synchronous machine simulation case 10 can generate a large amount of heat in the working process, the cooling liquid in the fin-type water cooling row and the cooling liquid in the heat exchange pipe are driven to circulate through the working of the arranged circulating pump, the cooling liquid in the heat exchange pipe can absorb the heat generated in the working process of the synchronous machine simulation case, the cooling liquid circulates into the fin-type water cooling row again, and the cold air generated by the air conditioner 343 exchanges heat with the fin-type water cooling row, so that the working temperature of the synchronous machine simulation case is effectively reduced, the phenomenon that internal components are burnt due to overhigh temperature of the synchronous machine simulation case is prevented, and the service life of the synchronous machine simulation case is prolonged;
the temperature sensor 311 is arranged, so that the temperature of the cooling liquid in the heat exchange tube can be monitored in real time conveniently, the collected information is transmitted to the PLC 21, and when the temperature of the cooling liquid is higher than the preset value of the PLC, the PLC controls the air conditioner 343 to adjust power, the refrigeration performance is improved, and the heat dissipation performance is improved;
the telescopic cylinder 43 works by controlling the control panel 20, the movable wheel 44 is driven to penetrate through the through hole 411 to be in contact with the ground, the synchronous machine simulation case is convenient to move, and when the telescopic cylinder retracts, the movable wheel is driven to be located right above the through hole, and the synchronous machine simulation case is convenient to fix.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a virtual synchronous machine simulation device of new energy power station, includes emulation machine case (10) and sets up control panel (20) at this emulation machine case lateral wall, its characterized in that still includes:
the heat dissipation assembly (30) comprises an absorption part (31) arranged on the inner wall of the case, a cooling part (32) arranged on the top of the case and connected with the absorption part, and a power part (33) used for driving cooling liquid to circulate along the absorption part and the cooling part, and the heat dissipation assembly further comprises a heat exchange part (34) used for exchanging heat with the cooling part;
the heat exchanging portion (34) includes:
the air outlet box (341) is arranged at the top of the machine box, and two sides of the air outlet box are provided with symmetrical air outlets (342); and
and the air conditioner (343) is arranged at the top of the air outlet box, and an air pipe (344) communicated with the air outlet box is arranged at the air outlet end of the air conditioner.
2. The simulation device according to claim 1, wherein the cooling portion (32) is a finned water cooling bar arranged at the air outlet (342), the absorbing portion (31) is a heat exchange pipe, the power portion (33) is a circulating pump, one end of the finned water cooling bar is connected with the heat exchange pipe through a first connecting pipe (35), the circulating pump is arranged on the first connecting pipe, and one end of the heat exchange pipe far away from the circulating pump is connected with the other end of the finned water cooling bar through a second connecting pipe (36).
3. The simulation device of claim 2, wherein the absorption part is a serpentine heat exchange tube, a silica gel heat conduction layer is arranged at the joint of the absorption part and the components inside the simulation case, and a temperature sensor (311) is arranged in the absorption part.
4. The emulation apparatus of claim 3 further comprising a leg assembly (40) for supporting the emulation chassis, said leg assembly comprising:
the foot rest (41) is arranged at the corner of the bottom of the simulation case, and a through hole (411) is formed in the center of the bottom of the foot rest;
the positioning block (42) is vertically and fixedly arranged on the side wall of the inner side of the foot rest; and
the telescopic cylinder (43) is fixedly arranged at the bottom of the positioning block, the output end of the telescopic cylinder is vertically arranged downwards, and the output end of the telescopic cylinder is provided with a moving wheel (44);
the movable wheels can shuttle in the through holes under the driving of the telescopic cylinders, and the simulation case can be moved when the movable wheels are in contact with the ground.
5. The emulation device of claim 4, characterized in that the outer side of the moving wheel (44) is provided with an anti-slip sleeve.
6. The simulation device according to claim 4, wherein a PLC (21) is arranged in the control panel (20), the temperature sensor is electrically connected with an input end of the PLC, and an output end of the PLC is electrically connected with the air conditioner (343) and the telescopic cylinder (43).
7. A new energy power plant, characterized by comprising the virtual synchronous machine simulation apparatus of the new energy power plant of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120649313.5U CN216146601U (en) | 2021-03-29 | 2021-03-29 | Virtual synchronous machine simulation device of new energy power station and new energy power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120649313.5U CN216146601U (en) | 2021-03-29 | 2021-03-29 | Virtual synchronous machine simulation device of new energy power station and new energy power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216146601U true CN216146601U (en) | 2022-03-29 |
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ID=80798203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120649313.5U Expired - Fee Related CN216146601U (en) | 2021-03-29 | 2021-03-29 | Virtual synchronous machine simulation device of new energy power station and new energy power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216146601U (en) |
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2021
- 2021-03-29 CN CN202120649313.5U patent/CN216146601U/en not_active Expired - Fee Related
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Granted publication date: 20220329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |